Home / 22,355.39-30,840.35-17,885.41

Finding the Fourth Proportional to 22,355.39, 30,840.35 and 17,885.41

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Solution

The fourth proportional to 22,355.39, 30,840.35 and 17,885.41 is: 24,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.39 : 30,840.35 = 17,885.41 : x
  2. Step 2: Convert to fraction form
    22,355.39/30,840.35 = 17,885.41/x
  3. Step 3: Cross multiply
    22,355.39x = 30,840.35 × 17,885.41
  4. Step 4: Simplify right side
    22,355.39x = 551,592,137.77
  5. Step 5: Solve for x
    x = 551,592,137.77/22,355.39
  6. Step 6: Final answer
    x = 24,673.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.